CN212384681U

CN212384681U - Milling machine for die machining

Info

Publication number: CN212384681U
Application number: CN202020903121.8U
Authority: CN
Inventors: 王芬雨; 宫顺; 王波; 郭琰; 江朋世
Original assignee: Qingdao Haichuan Zhongxin Machinery Co ltd
Current assignee: Qingdao Haichuan Zhongxin Machinery Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-01-22
Anticipated expiration: 2030-05-25

Abstract

The utility model relates to a milling machine for mould processing, including lathe bed, the workstation of locating the lathe bed and at least a set of centre gripping subassembly, a set of centre gripping subassembly includes two installation parts of sliding installation on the workstation, and two installation parts set up relatively, the installation part is equipped with the drive yoke and the butt piece, the drive yoke drives the butt piece that the butt piece is close to or keeps away from another installation part; the driving frame comprises a long rod, a short rod I and a short rod II, one end of the long rod is hinged with the side wall of the mounting part, the other end of the long rod is hinged with the back surface of the abutting piece, the short rod I is hinged with the short rod II, the other end of the short rod I is hinged with the middle part of the long rod, and the other end of the short rod II is hinged with the side wall of the mounting part; and a limiting part for keeping the first short rod and the second short rod in the same straight line state is arranged between the second short rod and the first short rod. The utility model discloses it has the effect that makes things convenient for the centre gripping work piece to it is long when shortening production.

Description

Milling machine for die machining

Technical Field

The utility model belongs to the technical field of the technique of mould processing equipment and specifically relates to a milling machine for mould processing is related to.

Background

The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated or combined. When the blank is closed, the blank is injected into the die cavity for forming. The die is a precise tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, and the development level of die production is one of important marks of the mechanical manufacturing level.

The milling machine has powerful functions, has the functions of milling, boring, drilling, reaming, expanding and the like, and for the manufacture of metal molds, the common mode at present is to mill blanks by adopting the milling machine, and the milling cutter on the milling machine rotates at high speed to process the blanks into molds with special shapes.

The numerical control milling machine who takes heat recovery device who discloses chinese patent with patent publication No. CN206169774U, it includes liquid crystal display, the numerical control milling machine main part, a pedestal, the protection window, anchor clamps, drive shaft and cutter arbor, the shock attenuation platform is installed to the base top, and the numerical control milling machine main part is installed to the shock attenuation platform top, numerical control milling machine main part surface mounting has the protection window, and protection window internally mounted has the workstation, protection window surface mounting has protection window handle, control panel is installed on protection window right side, and control panel surface mounting has liquid crystal display, the function button is installed on the liquid crystal display right side, and install the work pilot lamp below the function button, the guide rail is installed to numerical control milling machine main part top, numerical control milling machine main part internally mounted has the temperature-.

The existing milling machine is often required to clamp a workpiece when the workpiece is processed, the workpiece needs to be pressed on a workbench by using fixtures such as a screw, a nut and a pressing block, the fixtures such as the screw, the nut and the pressing block need to be detached when the workpiece is replaced, and time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a milling machine for mould processing, it has the effect that makes things convenient for clamping workpiece to it is long when shortening production.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a milling machine for die machining comprises a machine body, a workbench arranged on the machine body and at least one group of clamping assemblies, wherein one group of clamping assemblies comprise two mounting parts which are slidably mounted on the workbench, the two mounting parts are oppositely arranged, each mounting part is provided with a driving frame and a butting sheet, and the driving frame drives the butting sheet to be close to or far away from the butting sheet of the other mounting part; the driving frame comprises a long rod, a short rod I and a short rod II, one end of the long rod is hinged with the side wall of the mounting part, the other end of the long rod is hinged with the back surface of the abutting piece, the short rod I is hinged with the short rod II, the other end of the short rod I is hinged with the middle part of the long rod, and the other end of the short rod II is hinged with the side wall of the mounting part; and a limiting part for keeping the first short rod and the second short rod in the same straight line state is arranged between the second short rod and the first short rod.

When the technical scheme is adopted, a workpiece is placed on a workbench during use, then the position of the mounting part is adjusted in a sliding mode according to the position of the workpiece, the workpiece is installed and fixed on the workbench, the short rod II is driven to turn over in the forward direction, the long rod is driven to turn over in a linkage mode through hinging, so that the abutting pieces are driven to move towards the abutting pieces of the other mounting part, when the short rod II and the short rod I are located on the same straight line, the abutting pieces on the two mounting parts abut against one side wall of the workpiece respectively, then the limiting part is started, the structure of the driving frame is fixed, the relative positions of the abutting pieces and the workpiece are fixed, and the workpiece is clamped; if the clamping is required to be released, the limiting piece is released, and then the second short rod is reversely turned, so that the abutting piece is far away from the side wall of the workpiece, and the clamping is convenient and quick; can drive the butt piece through the setting and remove and lean on the carriage in the lateral wall of the work, and the locating part of the structure that keeps the carriage, need not the centre gripping and the centre gripping of removing that screw thread tight or the operation of spiral shell pine can accomplish the work piece, convenient and fast, effectively shorten long time of production, and quarter butt one and quarter butt two are in when collinear, form the dead point promptly, can regard quarter butt one and quarter butt two as a butt joint pole, when the reaction force that receives the work piece promptly, butt joint pole and stock bear this reaction force simultaneously, its atress is comparatively even, can effectively reduce the damage that the carriage received.

The present invention may be further configured in a preferred embodiment as: a plurality of sliding grooves with inverted T-shaped cross sections are formed in the surface of the workbench along the length direction of the workbench; the mounting component is connected to the bottom block of the sliding groove in a sliding mode, the size of the bottom block is larger than the size of a notch of the sliding groove, a fixing column extending out of the notch of the sliding groove is vertically fixed on the bottom block, a sleeve positioned above the sliding groove is sleeved on the fixing column in a rotating mode, the diameter of the sleeve is larger than the size of the notch of the sliding groove, one end of the long rod and one end of the short rod II are hinged to the side wall of the sleeve respectively, a fastening nut is connected to the upper portion of the fixing column in a threaded mode, and the end face of the fastening nut abuts against the upper end face of.

By adopting the technical scheme, during installation, firstly, the bottom block slides according to a workpiece, when the bottom block slides to a proper position, the fastening nut is screwed, the fastening nut forces the sleeve to be pressed downwards and fixed on the surface of the workbench, and the bottom block upwards props against the groove wall of the chute under pressure, so that the effects of the two are combined, and the installation and fixation of the installation part and the workbench are realized; and the sleeve pipe rotates with the fixed column to be connected, consequently can be through the position of adjustment sleeve pipe with the adjustment driving rack, can adjust the horizontal angle of butt piece to the realization is to the butt centre gripping of the different angles of work piece, thereby improves overall structure's suitability.

The present invention may be further configured in a preferred embodiment as: the hinge joint position between the second short rod and the sleeve is higher than the hinge joint position between the long rod and the sleeve.

By adopting the technical scheme, the operator can conveniently turn over the short rod II from the upper side, the visibility is better, and the operation convenience is improved.

The present invention may be further configured in a preferred embodiment as: when the second short rod and the first short rod are positioned on the same straight line, the hinged position between the second short rod and the sleeve is higher than the hinged position between the first short rod and the long rod.

Adopt above-mentioned technical scheme for the stock is side "people" font with the butt pole, can effectively bear the stand and come from the reaction force of work piece, thereby effectively reduces the damage that the carriage received greatly, improves the life of centre gripping subassembly.

The present invention may be further configured in a preferred embodiment as: the locating part includes the slide bar and is fixed in the solid fixed ring of quarter butt lateral wall, the lateral wall of quarter butt two is fixed with the ring, the slide bar is followed two length slips of quarter butt are worn to establish the ring, just the one end of slide bar with gu fixed ring plug-in connection.

By adopting the technical scheme, when the second short rod and the first short rod are positioned on the same straight line, the sliding rod is slid to be inserted into the fixed ring, and the inserting direction of the sliding rod is vertical to the overturning direction of the second short rod, so that the insertion of the sliding rod can prevent the first short rod and the second short rod from overturning, so that the second short rod and the first short rod keep the same straight line state, the structure of the driving frame is fixed, and the clamping of a workpiece is realized.

The present invention may be further configured in a preferred embodiment as: the outer peripheral face of the one end of slide bar has inlayed the rubber circle in the cover, gu the inner peripheral surface of fixed ring sets up the spacing groove that supplies rubber circle elasticity scarf joint.

By adopting the technical scheme, the rubber ring is embedded in the limiting groove, so that the situation that the sliding rod is vibrated to be separated from the fixing ring can be reduced, the limiting stability of the limiting part is ensured, and the rubber ring has a damping effect and can reduce the damage of the driving frame.

The present invention may be further configured in a preferred embodiment as: the lateral wall of the one end of slide bar is followed the axis symmetry of slide bar has two branches, branch with the slide bar vertical fixation, just branch is located the rubber circle with between the ring, branch rotates the cover and is equipped with the commentaries on classics cover.

By adopting the technical scheme, the operator can conveniently remove or start the limiting part, and the two rotating sleeves are arranged in a rotating mode, so that the rotating sleeves on one side can be respectively hooped by the finger bends of the index finger and the middle finger of the operator, the slide bar can be conveniently driven to be separated from the fixing ring, the slide bar can be conveniently driven to move along the turning direction of the short bar II, the short bar II can be driven to turn, the clamping can be removed, the operation is convenient and fast, and the convenience of the operator is greatly improved.

The present invention may be further configured in a preferred embodiment as: the front surface of the abutting piece is adhered and covered with an anti-skid rubber pad, and a plurality of raised lines protrude from the surface of the anti-skid rubber pad.

By adopting the technical scheme, the anti-skid rubber pad can improve the clamping stability of the workpiece, has a damping effect, and can reduce the damage of the workpiece caused by clamping force so as to ensure the processing quality of the workpiece.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the driving frame capable of driving the abutting sheet to move and abut against the working side wall and the limiting piece for keeping the structure of the driving frame are arranged, so that clamping and unclamping of a workpiece can be completed without screwing or unscrewing operation, convenience and rapidness are realized, and the production time is effectively shortened;

2. through the locating part that sets up the bolt structure, can effectively ensure clamping stability to have the shock attenuation effect, can reduce the damage of carriage.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of the clamping assembly of the present embodiment clamping a workpiece;

FIG. 3 is a schematic view of the embodiment showing that the first short rod and the second short rod are in the same line;

fig. 4 is a schematic view of the clamping assembly of the present embodiment when clamping is released.

In the figure, 1, mounting a component; 2. a driving frame; 3. abutting the sheet; 4. a limiting member; 10. a bed body; 11. a bottom block; 12. fixing a column; 13. a sleeve; 14. fastening a nut; 20. a work table; 21. a long rod; 22. a first short rod; 23. a short rod II; 24. a torsion spring; 30. a workpiece; 31. an anti-skid rubber pad; 32. a convex strip; 40. a chute; 41. a slide bar; 42. a fixing ring; 43. a circular ring; 44. a rubber ring; 45. a limiting groove; 46. a strut; 47. rotating the sleeve; 100. a clamping assembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, for the utility model discloses a milling machine for mould processing, including the automobile body, locate the workstation 20 of lathe bed 10 and at least a set of centre gripping subassembly 100 that is used for centre gripping work piece 30, the surface of workstation 20 is followed workstation 20 length direction and is seted up the spout 40 that the cross section of multichannel is the shape of falling T, and centre gripping subassembly 100 slides along spout 40 and installs the setting.

As shown in fig. 2, a set of clamping assembly 100 includes two mounting components 1, the two mounting components 1 are oppositely arranged along the length direction of the workbench 20, and the mounting components 1 and the sliding groove 40 are slidably mounted, the mounting component 1 is provided with a driving frame 2, a limiting member 4 and a contact sheet 3, the front surface of the contact sheet 3 is bonded and covered with an anti-skid rubber pad 31, and a plurality of convex strips 32 (see fig. 3) are protruded from the surface of the anti-skid rubber pad 31; the driving frame 2 drives the abutting sheet 3 to be close to or far away from the abutting sheet 3 of the other mounting component 1, namely, the front surfaces of the abutting sheets 3 on the two mounting components 1 abut against one side wall of the workpiece 30 respectively, and then the limiting member 4 fixes the structure of the driving frame 2 to fix the position of the abutting sheet 3, so as to ensure that the abutting sheet 3 cannot be separated from the side wall of the workpiece 30, thereby clamping and fixing the workpiece 30.

As shown in fig. 2 and 3, the mounting component 1 includes a bottom block 11 slidably connected to the sliding chute 40, the size of the bottom block 11 is larger than the size of the opening of the sliding chute 40, a fixed column 12 extending out of the opening of the sliding chute 40 is vertically fixed on the surface of the bottom block 11, the fixed column 12 is rotatably sleeved with a sleeve 13 positioned above the sliding chute 40, the diameter of the sleeve 13 is larger than the size of the opening of the sliding chute 40, the driving frame 2 is mounted on the sleeve 13, and the upper portion of the fixed column 12 is in threaded connection with a fastening nut 14.

When the installation component 1 is installed, firstly, the bottom block 11 is slid according to the position of the workpiece 30, when the bottom block 11 is slid to a proper position, the fastening nut 14 is screwed, the fastening nut 14 forces the sleeve 13 to be pressed and fixed on the surface of the workbench 20, and the bottom block 11 is pressed upwards to abut against the groove wall of the sliding groove 40, so that the installation and fixation of the installation component 1 and the workbench 20 are realized; and the sleeve 13 is connected with the fixed column 12 in a rotating mode, so that the position of the driving frame 2 can be adjusted by adjusting the sleeve 13, namely, the horizontal angle of the abutting sheet 3 can be adjusted, abutting clamping of different angles of the workpiece 30 is achieved, and the applicability of the whole structure is improved.

As shown in fig. 3, the driving frame 2 comprises a long rod 21, a short rod one 22 and a short rod two 23, wherein one end of the long rod 21 is hinged with the peripheral wall of the sleeve 13, and the other end of the long rod 21 is hinged with the back surface of the abutting sheet 3 (see fig. 2); the first short rod 22 is hinged with one end of the second short rod 23, the other end of the second short rod 23 is hinged with the peripheral wall of the sleeve 13, a torsion spring 24 forcing the second short rod 23 to turn upwards relative to the sleeve 13 is arranged at a hinge point between the second short rod 23 and the sleeve 13, and the hinge point between the second short rod 23 and the sleeve 13 is higher than the hinge point between the long rod 21 and the sleeve 13; one end of the short rod I22 far away from the short rod II 23 is hinged with the middle part of the long rod 21, and when the short rod II 23 and the short rod I22 are positioned on the same straight line, the hinge point between the short rod II 23 and the sleeve 13 is higher than the hinge point between the short rod I22 and the long rod 21.

The second short rod 23 is turned forward and backward, so that the abutting piece 3 is driven to be close to or far away from the workpiece 30 through linkage, and then the workpiece 30 can be clamped or unclamped by matching with the limiting piece 4.

As shown in fig. 3 and 4, the limiting member 4 includes a sliding rod 41 and a fixing ring 42 fixed on the side wall of the first short rod 22, a circular ring 43 is fixed on the side wall of the second short rod 23, the sliding rod 41 passes through the circular ring 43 in the length direction of the second short rod 23 in a sliding manner, a rubber ring 44 is sleeved on the outer circumferential surface of one end of the sliding rod 41, an annular limiting groove 45 is formed in the inner circumferential surface of the fixing ring 42, and when the sliding rod 41 is inserted into the fixing ring 42, the rubber ring 44 is elastically embedded in the limiting groove 45; two support rods 46 are vertically fixed at the positions of the circular ring 43 and the rubber ring 44 of the sliding rod 41, the two support rods 46 are symmetrically arranged along the axis of the sliding rod 41, and the rotating sleeve 47 is rotatably sleeved on the support rods 46.

The implementation principle of the embodiment is as follows: as shown in fig. 2 and 3, in use, a workpiece 30 is placed on a workbench 20, then the position of a bottom block 11 is adjusted in a sliding manner according to the position of the workpiece 30, when the bottom block 11 slides to a proper position, a fastening nut 14 is screwed tightly to fix the relative position of an installation part 1 and the workbench 20, then a second short rod 23 is driven to turn over in the forward direction (the second short rod 23 turns over downwards), a long rod 21 is driven to turn over in a linkage manner through hinged connection, so that a butting piece 3 is driven to move towards a butting piece 3 of another installation part 1, when the second short rod 23 and the first short rod 22 are in the same straight line, the butting pieces 3 on the two installation parts 1 respectively butt against one side wall of the workpiece 30, then a sliding rod 41 is slid, so that the sliding rod 41 is inserted into a fixing ring 42, a rubber ring 44 is elastically embedded in a limiting groove 45 to prevent the second short rod 23 from continuing to turn over, so that the structure of a, so that the relative position of the abutment plate 3 and the workpiece 30 is fixed, thereby clamping the workpiece 30;

when the clamping needs to be released, as shown in fig. 4, firstly, the first finger and the middle finger of the operator respectively hoop the rotating sleeve 47 on one side to drive the sliding rod 41 to be separated from the fixing ring 42, i.e. the limiting of the limiting member 4 is released, and then the sliding rod 41 is driven to move along the upturning direction of the second short rod 23 through the supporting rod 46, so that the second short rod 23 is driven to overturn, the abutting sheet 3 is far away from the side wall of the workpiece 30 to release the clamping, the operation is convenient and fast, the convenience of the operator is greatly improved, and the production time is effectively shortened; and when the first short rod 22 and the second short rod 23 are in the same straight line, a dead point is formed, the first short rod 22 and the second short rod 23 can be regarded as a butting rod, namely when the first short rod 22 and the second short rod 23 receive the reaction force of the workpiece 30, the butting rod and the long rod 21 simultaneously bear the reaction force, the stress is uniform, and the damage to the driving frame 2 can be effectively reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a milling machine for mould processing, includes lathe bed (10) and workstation (20) of locating lathe bed (10), its characterized in that: the clamping device is characterized by further comprising at least one group of clamping assemblies (100), wherein one group of clamping assemblies (100) comprises two mounting parts (1) which are slidably mounted on the workbench (20), the two mounting parts (1) are oppositely arranged, the mounting parts (1) are provided with driving frames (2) and abutting sheets (3), and the driving frames (2) drive the abutting sheets (3) to be close to or far away from the abutting sheets (3) of the other mounting part (1); the driving frame (2) comprises a long rod (21), a short rod I (22) and a short rod II (23), one end of the long rod (21) is hinged with the side wall of the mounting part (1), the other end of the long rod (21) is hinged with the back surface of the abutting piece (3), the short rod I (22) is hinged with the short rod II (23), the other end of the short rod I (22) is hinged with the middle part of the long rod (21), and the other end of the short rod II (23) is hinged with the side wall of the mounting part (1); and a limiting part (4) for keeping the first short rod (22) and the second short rod (23) in the same linear state is arranged between the second short rod (23) and the first short rod (22).

2. The milling machine for mold processing according to claim 1, wherein: a plurality of sliding grooves (40) with inverted T-shaped cross sections are formed in the surface of the workbench (20) along the length direction of the workbench (20); the mounting component (1) comprises a bottom block (11) connected to a sliding groove (40) in a sliding mode, the size of the bottom block (11) is larger than the size of a notch of the sliding groove (40), a fixing column (12) extending out of the notch of the sliding groove (40) is vertically fixed on the bottom block (11), the fixing column (12) is rotatably sleeved with a sleeve (13) located above the sliding groove (40), the diameter of the sleeve (13) is larger than the size of the notch of the sliding groove (40), one end of a long rod (21) and one end of a short rod II (23) are respectively hinged to the side wall of the sleeve (13), a fastening nut (14) is connected to the upper portion of the fixing column (12) in a threaded mode, and the end face of the fastening nut (14) abuts against the upper end face of the sleeve (13).

3. The milling machine for mold processing according to claim 2, wherein: the hinge joint position between the second short rod (23) and the sleeve (13) is higher than the hinge joint position between the long rod (21) and the sleeve (13).

4. The milling machine for mold processing according to claim 3, wherein: when the second short rod (23) and the first short rod (22) are positioned on the same straight line, the hinge position between the second short rod (23) and the sleeve (13) is higher than the hinge position between the first short rod (22) and the long rod (21).

5. The milling machine for mold processing according to claim 1, wherein: locating part (4) include slide bar (41) and be fixed in solid fixed ring (42) of quarter butt one (22) lateral wall, the lateral wall of quarter butt two (23) is fixed with ring (43), slide bar (41) are followed two (23) length direction of quarter butt slide and are worn to establish ring (43), just the one end of slide bar (41) with gu fixed ring (42) plug connection.

6. The milling machine for mold processing according to claim 5, wherein: the outer peripheral surface of one end of the sliding rod (41) is sleeved with a rubber ring (44), and the inner peripheral surface of the fixing ring (42) is provided with a limiting groove (45) for the rubber ring (44) to be elastically embedded.

7. The milling machine for mold processing according to claim 6, wherein: the lateral wall of the one end of slide bar (41) is followed the axis symmetry of slide bar (41) has two branch (46), branch (46) with slide bar (41) vertical fixation, just branch (46) are located rubber circle (44) with between ring (43), branch (46) are rotated the cover and are equipped with and are changeed cover (47).

8. The milling machine for mold processing according to claim 1, wherein: the front surface of the abutting piece (3) is adhered and covered with an anti-skid rubber pad (31), and a plurality of convex strips (32) are protruded on the surface of the anti-skid rubber pad (31).